<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script>

function boom()
{
  var b = document.getElementById('b');
  b.style.counterIncrement = 'chicken';
  document.body.offsetHeight;
  b.style.counterIncrement = '';
}

</script>
</head>

<body onload="boom();">

<col id="a" span="2"></col><col id="b"></col>

</body>
</html>
